Algebra I - Chapters 0 & 1 - GRID

absolute value

The distance a number is from zero on a number line.

opposites

two numbers that have the same absolute value but have different signs

additive inverses

A number and its opposite, and can be used to subtract integers.

positive numbers

Numbers that have values greater than zero and are to the right of zero on a number line.

negative numbers

Numbers that have values less than zero and are to the left of zero on a number line.

natural numbers

1, 2, 3,...

whole numbers

0, 1, 2, 3, ...

integers

All whole numbers (both positive and negative) and zero.

rational numbers

numbers that can be written as a fraction, and the denominator is not zero.

square root

one of the two equal factors of a numer

principal square root

the nonnegative square root of a number

perfect square

A number that has a rational number as the square root

irrational numbers

numbers that cannot be expressed as terminating or repeating decimals, or as a rational number

real numbers

the set of rational and irrational numbers together

to graph

to draw or plot the points named by those numbers on a number line

coordinate

the number that corresponds to a point on a number line

algebraic expression

consists of sums and/or products of numbers and variables

variables

symbols or letters used to represent unspecified numbers or values

term

may be a number, a variable, or a product or quotient of numbers and variables

coefficient

the number attached to a variable with multiplication

factors

the quantities being multiplied

product

the answer to a multiplication problem

power

is determined by the exponent

exponent

this indicates the number of times the base is used as a factor

base

the number that is the factor